Product Details

Coinfinity Stackers – Smart, Modular Coin Storage Coinfinity Stackers are magnetically locking, modular coin tubes designed for serious collectors of gold, silver, platinum, and palladium. Each stacker securely holds a single coin size, stacks cleanly with others, and integrates NFC tracking so your physical collection can be digitally identified, cataloged, and verified. Built on a Gridfinity-inspired system, Coinfinity lets you organize your stack like a system—not a pile. Key Features 🧲 Magnetic stacking – locks together vertically and to Coinfinity bases 📱 NFC-enabled – tap with your phone to identify and track coins 🪙 Precision-fit sizes – designed for specific coin diameters 🧱 Modular ecosystem – mix stackers, bins, and bases 🛠️ 3D-printed, durable design – made for collectors, not display cases Available Sizes & Variants Coinfinity Stackers are available in multiple inner diameters, each optimized for specific coins: Fractional gold Full-size silver rounds Eagles, Maples, Philharmonics, and more Extra-large stackers for slabs or oversized coins Each size is clearly labeled and designed to stack seamlessly with the rest of the system. How It Works Insert your coins Stack and magnetically lock them together Tap with your phone to identify or catalog Expand anytime with more stackers, bases, or bins Perfect For Precious metal stackers Coin collectors Bullion investors Anyone tired of loose tubes and mismatched storage 41mm Compatible Coins Coin Name Diameter Thickness Mint American Silver Eagle (1 oz) 40.6 mm ~2.98 mm United States Mint Australian Silver Kangaroo 40.6 mm ~3.21 mm Perth Mint Chinese Silver Panda (1 oz) 40.0 mm* ~2.98 mm* People’s Bank of China Silver Britannia (post-2013) 38.61 mm 3.00 mm The Royal Mint South African Krugerrand (Silver) 38.7 mm 2.84 mm South African Mint